Got her start at 17 after winning a local talent contest that sent her to Hollywood, gave her a name change and led to a movie contract with RKO. The male winner, Lee Bonnell, would become her first husband two years later.
Her radio show My Little Margie was adapted for television as a summer replacement for I Love Lucy and successfully ran for 126 episodes (1952-55).
Was elected honorary mayor of Sherman Oaks, CA, in 1953.
Her first hit record, "I Hear You Knockin'," sold more than a million copies.
Battled and recovered from alcoholism, as recounted in her book I Ain't Down Yet: The Autobiography of My Little Margie.
Received three stars on the Hollywood Walk of Fame, one each for radio, television and recording.